CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 6 



I INTRODUCTION 7 



1. General 7 



2. Study Objectives 7 



3. Previous Work 7 



II DESCRIPTION OF THE STUDY AREA 9 



1. Geography and Geomorphology 9 



2. Climate 11 



3. Tides 12 



III METHODS AND PROCEDURES 12 



1. Experimental Design 12 



2. Installation 14 



3. Maintenance 14 



4. Monitoring 15 



IV RESULTS 15 



1. American Beachgrass with 45-Centimeter Spacing (Plot 1) . . 16 



2. Sand Fence with Side Spurs (Plot 2) 19 



3. American Beachgrass with 60-Centimeter Spacing (Plot 3) . . 21 



4. Straight Fence (Plot 4) 23 



5. American Beachgrass with 90-Centimeter Spacing (Plot 5) . . 2 7 



V DISCUSSION 29 



1. Comparison of American Beachgrass Spacing Schemes 29 



2. Comparison of Sand Fence Schemes 30 



3. Comparison of American Beachgrass and Sand Fence 31 



4. Comparison with Previous Studies 31 



VI CONCLUSIONS 32 



1. American Beachgrass 32 



2. Sand Fence 33 



3. American Beachgrass Versus Sand Fencing 33 



LITERATURE CITED 34 



APPENDIX 



A SUMMARY OF SAND STABILIZATION FIELD TRIALS ON CAPE COD, 



MASSACHUSETTS 35 



B EROSION AND ACCRETION AT NAUSET BEACH, CAPE COD 38 



TABLES 



1 Monthly mean windspeeds and prevailing directions, compiled from 



airport records and shipboard observations 11 



2 Fertilizer applications 15 



3 Growth characteristics of American beachgrass planting, plot 1 



(45-centimeter spacing) , 1970-77 19 



4 Growth characteristics of four lifts of spur fencing, plot 2, 



1970-77 22 



